Pencil sharpener



FIG. 1 is a front perspective view of a pencil sharpener showing the design;

FIG. 2 is a front elevation view of the pencil sharpener of FIG. 1;

FIG. 3 is a left side elevation view of the pencil sharpener of FIG. 1;

FIG. 4 is right side elevation view of the pencil sharpener of FIG. 1;

FIG. 5 is a rear perspective view of the pencil sharpener of FIG. 1; and,

FIG. 6 is bottom view of the pencil sharpener of FIG. 1.

The broken lines in the drawings illustrate features that form no part of the claim. 

CLAIM The ornamental design for a pencil sharpener, as shown and described. 